Introduction to Aobao meeting: Aobao is also called Obo, which means "duizi" in Mongolian. Aobao was originally used as a road or boundary symbol, and later evolved into a place for worshiping mountain gods and road gods, and The earth temples of the Han people are probably similar. Aobao is usually made of stones, but in the desert it is made of wicker. Herdsmen worship Aobao every year in June and July. After the ceremony, they hold traditional entertainment activities such as horse racing, archery, wrestling, singing, and dancing. Girls and boys take this opportunity to hide in the grass, talk about love, and talk to each other. Sincerely, this is the meeting of Aobao.